Unit 1 第3课时 Grammar（同步课件）-【上好课】2024-2025学年七年级英语下册同步课堂（译林版2024）

七年级下册译林版2024版Unit1homeGrammar&PronounciationGrammaroneGrammartwoPronounciationLead-inPracticesSummaryRevisonviewbalconyyardBBQfireworksouthvillagerelaxcollectCutapartthefruithenGrammaroneGrammartwoPronounciationLead-inPracticesSummaryRevisonIdreamIwillhaveabighousewith500square

metres.Nothingisimpossibe(不可能的),everyingcanstartwithzero.Whichnumberdoyoulikebest？Wecancheckthedatefromthecalendar,andpickaluckydaytohaveanimportantdecisionaccordingtolunarcalendar.IalsodreamIcanearnmillionsofdollarsandbeamillionaireoneday.Howmanybooksarethere?Thereisabook.It’sthefirstbook.Howmanyumbrellasarethere?Therearetwoumbrellas.It’sthesecondumbrella.Howmanycandlesarethere?Therearethreecandles.It’sthethirdcandle.Howmanypensarethere?Therearefourpens.It’sthefourthpen.Howmanypensarethere?Therearefourpens.It’sthefifthballoon.基数词：表示数量序数词：表示“第几”GrammaroneGrammartwoPronounciationLead-inPracticesSummaryRevison基数词一、20以下的数字0=zero7=seven14=fourteen1=one8=eight15=fifteen2=two9=nine16=sixteen3=three10=ten17=seventeen4=four11=eleven18=eighteen5=five12=twelve19=nineteen6=six13=thirteen基数词二、20-10020=twenty21=twenty-one30=thirty★22=twenty-two40=forty★23=twenty-three50=fifty★24=twenty-four60=sixty25=twenty-five70=seventy26=twenty-six80=eighty27=twenty-seven90=ninety28=twenty-eight100=hundred29=twenty-nine（注意：★十几“teen”是“第四声”，几十“ty”是“第三声”）基数词三、百位数（hundred）（一）具体数123

onehundredandtwenty-three

456

fourhundredandfifty-six520

fivehundredandtwenty

980

ninehundredandeighty502

fivehundredandtwo

607

sixhundredandseven

基数词

（二）大约数★hundredsof

数百1．（2020·西藏·中考真题）Thenewbridgeis________metreslong.A．sixhundred,fiftyandfive B．sixhundredsandfifty-fiveC．sixhundred,fifty-five D．sixhundredandfifty-five2．（2022·黑龙江绥化·中考真题）Thereare________paintingsonexhibition(展览).________workswerecreatedbyyoungartists.A．twohundred;TwohundredsB．twohundreds;HundredsofC．hundredsof;Twohundred基数词四、千位数（thousand）（一）具体数1234onethousandtwohundredandtwenty-three（或twelvethirty-four）5678fivethousandsixhundredandseventy-eight（或fifty-sixseventyeight）2003twothousandandthree（或twentyandthree/twooothree）3024twothousandandtwenty-four（或twelvethirty-four）1050onethousandandfifty（或tenfifty）2300twothousandandthreehundred（或twenty-threehundred）基数词（二）大约数★thousandsof3．（2021·山东滨州·中考真题）—Chinaisagreatcountrywithahistoryofaboutfive______years.—Yes.And______offoreignerscometovisititeveryyear.A．thousand;thousand B．thousands;thousands C．thousand;thousands D．thousands;thousand基数词五、万位数、六位数（thousand+hundred）12,345twelvethousandtwohundredandtwenty-three123,456onehundredtwenty-threethousandfourhundredandfifty-six56,789fifty-sixthousandsevenhundredandeighty-nine567,890fivehundredsixty-seventhousandeighthundredandeighty- ninePS:万位数及以上每三个数字从右往用逗号隔开基数词六、七位数及以上（million）（一）具体数1,234,567onemilliontwohundredthirty-fourthousandfivehundred sixty-seven12,345,678twelvemillionthreehundredforty-fivethousandsix hundredseventy-eight（二）大约数★millionsof4．（2022·黑龙江·中考真题）TheGreatWallisasymbolofChina.Itattracts_____travelersfromallovertheworldtovisitit.A．millionsof B．tenmillionof C．tenmillions基数词七、十亿（billion）（一）具体数12,345,678,900twelvebillionthreehundredforty-fivemillionsixhundredseventy-eightthousandninehundred（二）大约数★billionsof基数词时间3点整 atthree3点10分 attenpastthree（threeten）3点12分 attwelvepastthree（threetwelve）★3点15分 ataquarterpastfifteen（threefifteen）★3点半 athalfpastthree（threethirty）★3点45分ataquartertofour（threeforty-five）3点50分 attentofour（threefifty）3点54分 atsixtofour（threefifty-four）基数词★年份1991onethousandninehundredninety-one（nineteenninety-nine）2005twothousandandfive（twooofive）2024twothousandandtwenty-four（twentytwenty-four）2100twothousandandonehundred（twenty-onehundred）★年代inthe1870s19世纪70年代inthe1960s 20世纪60年代（注意：大于一天用“in”，加冠词“the”，数字末尾加“s”）基数词编号ClassOne,GradeOne=Class1,Grade1RoomTwo,BuildingOne=Room2,Building1（注意：从小排到大）小数1.23456onepointtwothreefourfivesix12.3456twelvepointthreefourfivesix123.456onehundredtwenty-threepointfourfivesix基数词年龄段★inone’steens在某人十几岁时

inone’stwenties在某人二十几岁时inone’sthirties在某人三十几岁时

inone’sforties在某人四十几岁时inone’sfifties在某人五十几岁时

inone’ssixties在某人六十几岁时inone’sseventies在某人七十几岁时

inone’seighties在某人八十几岁时inone’snineties在某人九十几岁时

GrammaroneGrammartwoPronounciationLead-inPracticesSummaryRevison序数词序数词分数基数词/序数词（分子/分母）onethird

三分之一threefifths

五分之三fiveeighths八分之五（注意：分子大于等于“2”时，分数要加“s”）GrammaroneGrammartwoPronounciationLead-inPracticesSummaryRevison前情提要ɑː

ɔ:ɜː

i:

u:ʌɒəɪʊeæaɪɔɪ

eɪɪəeəʊəəʊaʊptkfsbdgzhrmnlwvθʃtstʃtrnmŋðʒdzdʒdrjSyllablesinwordsSyllablesinwordsPre-ListeningWhile-ListeningPost-ListeningLead-inPracticesSummaryRevison5．HowmanystudentsarethereinClassFour?A．21. B．43. C．44.6．Howmuchdoesthewomanneedtopay?A．Twenty-threedollars. B．Sevendollars. C．Sixteendollars.7．Whatisthedatetoday?A． B． C．8．Whendoesthegirlhavetocomeb